EP 4234275 A1 20230830 - A TREAD BLOCK ARRANGEMENT HAVING A SIPE
Title (en)
A TREAD BLOCK ARRANGEMENT HAVING A SIPE
Title (de)
LAUFFLÄCHENBLOCKANORDNUNG MIT EINER LAMELLE
Title (fr)
AGENCEMENT DE BLOC DE BANDE DE ROULEMENT COMPORTANT UNE LAMELLE
Publication
Application
Priority
EP 22158118 A 20220223
Abstract (en)
There is disclosed a tread block arrangement (200) suitable for a tire (100) or for a tread band (150) for a tire. The tread block arrangement (200) comprises a tread block (210) comprising at least a first sipe (420) delimited by a first sipe wall (425), a second sipe wall (426) and a bottom (427) of the sipe. The first sipe wall (425) and the second sipe wall (426) are arranged parallel to each other and define a width (w) of the sipe. At least the first sipe wall (425) has at least one inclined section in which a width of a surface of the first sipe wall (425) in a longitudinal direction of the sipe (420) and the width of the sipe (420) increases towards the bottom (427) of the sipe.
IPC 8 full level
B60C 11/12 (2006.01)
CPC (source: EP US)
B60C 11/0302 (2013.01 - US); B60C 11/0306 (2013.01 - US); B60C 11/1204 (2013.01 - US); B60C 11/1218 (2013.01 - EP US); B60C 11/1281 (2013.01 - EP US); B29D 2030/0613 (2013.01 - US); B60C 2011/1213 (2013.01 - EP US)
Citation (search report)
- [XAI] EP 3763548 A1 20210113 - PIRELLI [IT]
- [XI] JP S62241712 A 19871022 - OHTSU TIRE & RUBBER CO LTD
- [XI] JP H0994829 A 19970408 - BRIDGESTONE CORP
- [A] US 2013118663 A1 20130516 - KISHIZOE ISAMU [JP]
- [A] WO 2014132196 A1 20140904 - PIRELLI [IT]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
EP 4234275 A1 20230830; EP 4234275 B1 20240529; CA 3186368 A1 20230823; US 2023264520 A1 20230824
DOCDB simple family (application)
EP 22158118 A 20220223; CA 3186368 A 20230112; US 202318172934 A 20230222